What does the acronym HART stand for?

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Study for the HART Protocol and 4–20 mA Loop Communication Test. Utilize flashcards and multiple-choice questions, with each question offering hints and explanations. Get ready for your exam!

Multiple Choice

What does the acronym HART stand for?

Explanation:
HART stands for Highway Addressable Remote Transmitter. The idea conveyed by this name is that the digital communication used by HART rides on the same two-wire path as the 4-20 mA analog loop (the “highway”), each device on the loop can be individually addressed (addressable), it’s located out in the field (remote), and it is a transmitter of the process data. This wording captures the essence of how HART enables digital data exchange with field instruments without rewiring or replacing the existing analog loop. The other endings describe different concepts and aren’t the established expansion used for HART.

HART stands for Highway Addressable Remote Transmitter. The idea conveyed by this name is that the digital communication used by HART rides on the same two-wire path as the 4-20 mA analog loop (the “highway”), each device on the loop can be individually addressed (addressable), it’s located out in the field (remote), and it is a transmitter of the process data. This wording captures the essence of how HART enables digital data exchange with field instruments without rewiring or replacing the existing analog loop. The other endings describe different concepts and aren’t the established expansion used for HART.

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